Reviewed By Nate P (knoxville, TN) Reviewed for a 2007 Chevy Cobalt —9/11/2015 9:10 AM
It looks really good in my engine bay and makes my supercharger whine and it jut sounds really good
Reviewed By Ronnie H (RADCLIFF, KY) Reviewed for a 2015 Lexus GS 350 —4/18/2017 4:06 AM
Of coarse you won't notice any HP gain. You will notice much improved throttle response and paired with an exhaust this thing really wakes the car up. My GS350 F sport now sounds like it should without the crappy sound generator.